On 20.07.2018 11:36, Florian Fainelli wrote: > > > On 07/18/2018 11:15 PM, Heiner Kallweit wrote: >> The situation described in the comment can occur also with >> PHY_IGNORE_INTERRUPT, therefore change the condition to include it. > > Yes indeed! You might want to locate the offending commit to provide a > fixes tag so this could be backported to stable trees. > Fixes: f555f34fdc58 ("net: phy: fix auto-negotiation stall due to unavailable interrupt") Is it sufficient this way or better re-submit the patch?
> Also, for net-next, we may want to introduce a helper which checks for > phydev->irq != PHY_POLL that we can use consistently as a way to tell > that the conditions applies to either PHY_IGNORE_INTERRUPT or > phydev->irq is valid? > Yes, will put it on my agenda. Thanks for the feedback. Heiner >> >> Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com> >> --- >> drivers/net/phy/phy.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c >> index d2baedc4..914fe8e6 100644 >> --- a/drivers/net/phy/phy.c >> +++ b/drivers/net/phy/phy.c >> @@ -519,7 +519,7 @@ static int phy_start_aneg_priv(struct phy_device >> *phydev, bool sync) >> * negotiation may already be done and aneg interrupt may not be >> * generated. >> */ >> - if (phy_interrupt_is_valid(phydev) && (phydev->state == PHY_AN)) { >> + if (phydev->irq != PHY_POLL && phydev->state == PHY_AN) { >> err = phy_aneg_done(phydev); >> if (err > 0) { >> trigger = true; >> >